1012022431 has 6 divisors (see below), whose sum is σ = 1177250640. Its totient is φ = 867447756.

The previous prime is 1012022413. The next prime is 1012022447. The reversal of 1012022431 is 1342202101.

It is not a de Polignac number, because 1012022431 - 2⁷ = 1012022303 is a prime.

It is a super-2 number, since 2×1012022431² = 2048378801694299522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012022491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10326711 + ... + 10326808.

It is an arithmetic number, because the mean of its divisors is an integer number (196208440).

Almost surely, 2^1012022431 is an apocalyptic number.

1012022431 is a deficient number, since it is larger than the sum of its proper divisors (165228209).

1012022431 is an equidigital number, since it uses as much as digits as its factorization.

1012022431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20653533 (or 20653526 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1012022431 is about 31812.2999954420. The cubic root of 1012022431 is about 1003.9915235418.

Adding to 1012022431 its reverse (1342202101), we get a palindrome (2354224532).

The spelling of 1012022431 in words is "one billion, twelve million, twenty-two thousand, four hundred thirty-one".